Diamonds are made out of carbon — highly organized carbon, that is. Geologists are still guessing how diamonds formed in the ...

Forbes contributors publish independent expert analyses and insights. David Bressan is a geologist who covers curiosities about Earth. Over 70 percent of the world’s diamonds are mined from kimberlite ...

Scroll down to begin the experience. Botswana’s Jwaneng Mine sits on the edge of the Kalahari Desert, a vast expanse spanning much of southern Africa, its arid plains peppered with acacia trees and ...

The world's largest source of natural pink diamonds, Australia's Argyle mine, closed in 2020. However, researchers think they have an idea of where to find more rich sources of pink diamonds. Turns ...

“A diamond is forever.” That iconic slogan, coined for a highly successful advertising campaign in the 1940s, sold the gemstones as a symbol of eternal commitment and unity. But our new research, ...

A pair of diamonds that formed hundreds of kilometers deep in Earth's malleable mantle both contain specks of materials that form in completely opposing chemical environments — a combination so ...

The analysis of ancient, superdeep diamonds dug up from mines in Brazil and Western Africa, has exposed new processes of how continents evolved and moved during the early evolution of complex life on ...

South African diamonds have revealed nickel-rich metallic inclusions, offering the first direct evidence of reactions predicted to occur deep in Earth’s mantle. The study shows how oxidized melts ...